4.8 Rated, 4,164 Reviews

#1 Advanced Caterpillar diagnostic tool!

Orion DieselLink™

Orion DieselLink™

1000+ orders
in the last 24h
Wide Compatibility
User-Friendly Interface
Bidirectional Control
Comprehensive Diagnostics
19 left in stock - Only a few left!

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Orion DieselLink™

$220.00
$220.00 $444.00
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Frequently Asked Questions

How long does it take to set up the Orion DieselLink™?

No setup is required — simply connect it to your vehicle’s diagnostic port, power it on, and start scanning. The system is designed for instant use with plug-and-play convenience.

Is the Orion DieselLink™ reliable for professional diagnostics?

Absolutely. Built with advanced bidirectional technology, it provides precise fault detection, live data monitoring, and active system tests. You can rely on it for accurate, professional-grade diagnostics on Caterpillar and other heavy-duty engines.

What types of vehicles and equipment is it suitable for?

Perfect for diesel trucks, construction machinery, and heavy-duty equipment powered by Caterpillar engines. Whether you’re in a workshop, on-site, or in the field, Orion DieselLink™ adapts to every environment.

Can it perform active tests and calibrations?

Yes. With powerful bidirectional control, Orion DieselLink™ allows you to perform component activations, system resets, and calibration tests — giving you the same control level as OEM diagnostic tools.

What are the key specifications of the Orion DieselLink™?

It features a high-resolution screen, fast data refresh rate, multilingual support, and wide protocol coverage for multiple engine models — all in a rugged, portable design built for professional use.

Does it come with additional features or accessories?

Yes. It includes:

Full-system diagnostics and live data graphing

Bidirectional testing and DPF regeneration

Software updates for expanded compatibility

Durable case and easy-connect cables

Is it durable and easy to maintain?

Yes. Engineered with tough, impact-resistant materials and a user-friendly interface, the Orion DieselLink™ is built to withstand demanding shop and field conditions — while remaining easy to maintain for long-term reliability.

About Orion.

At Orion, We Build Gear That Works as Hard as You Do

Born out of a passion for innovation and the outdoors, our mission is simple: to deliver top-tier gadgets and outdoor essentials that blend premium performance with practical pricing—without compromise.

🏗️ Built in the USA with Purpose

Every Orion product is proudly crafted in the United States, using high-grade materials and precision manufacturing to ensure rugged reliability, comfort, and long-term value. From our portable cots to our future-ready gadgets, we engineer for real-world use—not showroom floors.

⚡ Engineered for Performance

Our gear is designed by doers, for doers. Whether you’re deep in the backcountry, hosting weekend guests, or catching a break between shifts, Orion products deliver next-level functionality, modern aesthetics, and uncompromising durability.

💰 Premium Without the Price Tag

Top quality shouldn’t come with a top-heavy price. At Orion, we keep things lean—cutting out middlemen, streamlining logistics, and designing products that do more with less. The result? Elite-level gear at accessible prices.

🧭 Wherever You Go, We’ve Got Your Back

Adventure-tested. Everyday-ready. Whether you're packing for a weekend escape or upgrading your daily setup, trust Orion to be the gear that gets you there—and back—comfortably, affordably, and reliably.

30-Day Money-Back

✅ Orion 30-Day Money-Back Guarantee

We stand behind every product we build. If you're not completely satisfied with your Orion gear, we’ve got your back—no questions asked.

🔄 Hassle-Free Returns

You have 30 days from the date of delivery to try out your Orion product. If it doesn’t meet your expectations, return it for a full refund.

📦 Return Requirements

To be eligible for a return:


  • Product must be in like-new condition

  • Include all original components (carry bag, accessories, manuals, etc.)

🚚 How to Start a Return

  1. Email : with your order number.
  2. You’ll receive a prepaid return label and instructions.
  3. Get a 100% refund to your original payment method within 3–5 business days after we receive your item.

❗ Exceptions

Free returns available for U.S. orders only.

🧡 Our Promise

We want you to love what you buy. If it doesn’t feel right, send it back—no stress, no pressure.

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Why Orion DieselLink

Here are the 4 biggest benefits of the Orion Professional heavy-duty diagnostic scanner for Caterpillar engines and machinery.

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Rugged & Portable Design

Built tough for workshops and field conditions with an easy-to-use interface.

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Comprehensive Diagnostics

Read and clear fault codes, view live data, and monitor performance in real time.

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Wide Compatibility

Supports Caterpillar and multiple heavy-duty engine models for versatile use.

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Advanced Bidirectional Control

Perform active tests, system resets, and component calibrations with professional precision.

 
 

40,000+ Sold!

Join thousands of others who enjoy using our product daily!

  • Reliable and Powerful Diagnostic Tool!

    I’ve been using the Orion DieselLink for a few weeks now, and it’s been a total game-changer in my shop. The setup was effortless — just plug it in, and it’s ready to go. The interface is smooth and easy to navigate, and I can run active tests and read live data in seconds.

    Michael R.| Verified Buyer | Truck Repair

  • Accurate and Easy to Use Diagnostic Tool!

    The Orion DieselLink exceeded my expectations right out of the box. I connected it to my vehicle and immediately got clear, detailed fault codes just like in the image — no guesswork, no confusion. The system reads and identifies even complex issues like communication errors and sensor problems quickly and precisely.

    James T. | Verified Buyer | Car Diagnostics

  • Professional Build and Excellent Performance!

    The Orion DieselLink kit is outstanding! The moment I opened the case, I was impressed by how well-organized and professional it looked. Each adapter fits securely, and the tablet is solidly built with a durable design that feels ready for any job. Setup was effortless — just plug and go.

    Robert L. | Verified Buyer | Engine Repair

     
     

    Orion Vs. Others

      Others
    Wider Compatibility
    Longer Durability
    Fully Portable
    Made In U.S.A
    Faster Diagnostics

    Trustpilot reviews

    Excellent 4.8 / 5

    • Fast, Accurate, and Worth It!

      I’ve used several scanners over the years, but Orion DieselLink stands above them all. It’s incredibly fast at detecting faults and gives detailed data right away. The bidirectional control is a huge bonus — saves time on every repair. Great value for a tool that feels this premium and performs flawlessly.

      — Ethan S.

    • Perfect for Professional Mechanics!

      This tool makes my job so much easier. The Orion DieselLink quickly identifies issues and performs active tests just like OEM systems. The screen is clear, the interface smooth, and the results are always spot-on. It’s portable, tough, and handles every heavy-duty vehicle I work on. Couldn’t recommend it more!

      — Chris J.

    • Best Diagnostic Tool I’ve Owned!

      The Orion DieselLink completely changed how I work. It connects instantly and reads every system with accuracy. The rugged case and multiple adapters make it feel truly professional. I can diagnose Caterpillar and other diesel engines in minutes instead of hours. Reliable, fast, and built to last — exactly what every mechanic needs.

      — Daniel M.